Details on causes of DTC P0171 and troubleshooting steps. Common fixes
include cleaning the MAF sensor and repairing for vacuum leaks.
Having the trouble code P0171 - System Too Lean in your car? Read what can
cause it, what is short or long fuel trim, common problems and repairs.
Feb 11, 2014 ... Scotty Kilmer, mechanic for the last 46 years, shows how you can fix a car that
hesitates when accelerating. If your check engine light is on, and ...
Jan 14, 2016 ... If the P0171 is combined with the P0174 code, it's very likely that the problem is
caused by an intake leak. If there are no intake leaks, the next ...
Jan 4, 2013 ... P0171 and P0174 I know this is long, but if you've had these codes, please read
the entire post as it will explain EXACTLY what and why which ...
Check engine light help for code P0171 including code description, possible
causes and diagnostic aids.
A Ford P0171 is a LEAN code for cylinder bank 1, and P0174 is a LEAN code for
cylinder bank 2. These codes commonly occur on many Ford vehicles, and are ...
Feb 11, 2014 ... My 2003 Toyota Corolla's Check Engine Light came on. I read the codes using
an OBD code reader and got P0171 - System Too Lean (Bank ...
P0171 is a System Too Lean (Bank 1), which is triggered by the first exhaust
oxygen (02) sensor (aka upstream 02 sensor) on the Bank 1 side of the engine.
Contents. [hide]. 1 16555/P0171/000369 - Fuel Trim; Bank 1: System Too Lean.
1.1 Possible Causes; 1.2 Possible Solutions; 1.3 Special Notes ...